AHZ may refer to:
Attohertz, in frequency measurement, 10−18 Hz Alpe d'Huez Airport's IATA designation Arnhem Zuid railway station's code Academy of Foreign Trade in Lwów or Hungarian State Symphony Orchestra or Ahz, a fictional place in the 1981 episode "Scooby's Trip to Ahz" of Scooby-Doo and Scrappy-Doo
See also A structure of the enzyme alcohol oxidase (PDB code 1AHZ)